Finding the Fourth Proportional to 408,417.14, 563,605.94 and 222,143.92
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Solution
The fourth proportional to 408,417.14, 563,605.94 and 222,143.92 is: 306,553.32
Step by Step Solution
- Step 1: Write the proportion equation
408,417.14 : 563,605.94 = 222,143.92 : x - Step 2: Convert to fraction form
408,417.14/563,605.94 = 222,143.92/x - Step 3: Cross multiply
408,417.14x = 563,605.94 × 222,143.92 - Step 4: Simplify right side
408,417.14x = 125,201,631,993.23 - Step 5: Solve for x
x = 125,201,631,993.23/408,417.14 - Step 6: Final answer
x = 306,553.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.